Hotronics FootWarmer CUSTOM Power Plus m3 User manual

Brand: Hotronics

Model: FootWarmer CUSTOM Power Plus m3

Type: User manual

Hotronics FootWarmer CUSTOM Power Plus m3 is a high-tech foot-warming solution designed to keep your feet warm and comfortable in cold conditions. It features four temperature settings, allowing you to customize the warmth level to your preference. The heating elements are placed directly under the toes, ensuring targeted warmth where it's needed most. The rechargeable NiMH batteries provide long-lasting performance, with durations ranging from 3.5 to 17 hours, depending on the selected temperature setting. The FootWarmer is easy to use, with simple on/off and temperature adjustment buttons.

CONTENTS IN BOX

FootWarmer CUSTOM Power Plus m4 and Power Plus m3 both

contain:

•2 Battery Packs with Integrated Heat Regulator

•1 Pair of Heating Elements with Self-Adhesive Fabric Covers

and Strips

•1 Recharger (global input 100-240VAC, 50/60Hz) with North

American and European Plug Adapters

•Operating Instructions & Limited Warranty Card

OVERVIEW

The Hotronic FootWarmer is dedicated to your foot wherever it goes and

easily transfers from one type of footwear to another. Based on

computer technology, Battery Pack"s micro-controller permits four (4)

temperature-duration settings. High quality, rechargeable NiMH batteries

are selected for cold temperature performance. Heating Elements locate

directly under toes. Recharger globally accepts input ranging from

100-240VAC, 50/60Hz. Following temperatures and durations are

approximations only as ratings are affected by recharging process and

various tolerances of batteries and electronics. Durations are

determined when Battery Packs are used in ambient temperature of

-4°F (-20°C).

TEMP

PERATURE & DU

URATION CHAR

Approx. Avg

g. Temp. Range

Duration

n Range

Set. °C °F Power Plus m4 Power Plus m3

1 28°-32° 83°-89° 19-21 hrs 15-17 hrs

2 36°-41° 96°-106° 7-9 hrs 5.5-7 hrs

3 40°-47° 105°-116° 5-6.5 hrs 3.5-5 hrs

4 57°-62° 135°-144° 2.5-3.75 hrs 2-3 hrs

OPERATING BATTERY PACK SETTINGS

1. To turn on or off, press-and-hold ON or OFF until LED light is ON or

OFF (~2.0 seconds).

2. To change setting, press-and-hold or until setting LED light

changes (~0.5 seconds).

3. Once selected, setting 4 auto-resets to setting 3 after 3 minutes

(“timed setting 4”). (“Timed setting 4” LED lights are ON continuously

and do NOT blink.)

4. To use “continuous setting 4”, start at “timed setting 4”, then press

and hold until all LED lights blink (~5.0 seconds). (“Continuous

setting 4” LED lights BLINK continuously until setting is changed.)

5. DO NOT USE “TIMED SETTING 4” or ”CONTINUOUS SETTING 4”

for more than three minutes at a time as it may become too hot and

may result in burns. SEE CAUTIONS REGARDING BURNS.

BATTERY PACK LED LIGHTS (LEDs)

1. Battery Pack LEDs indicate power is on or off and setting selected.

LEDs do not indicate charge level.

2. LEDs will not light when batteries are fully discharged, are below

minimum voltage cutoff level, or do not have enough power to heat

Element.

EXCESS HEAT ON ANY SETTING, INCLUDING OFF

1. WHEN BATTERY PACK LED stays ON and CANNOT BE TURNED

OFF, water may be around electrical contacts, may cause Heating

Element to become hot at any setting, and MAY RESULT IN BURNS.

See CAUTIONS REGARDING BURNS.

2. WHEN BATTERY PACK IS ON ANY SETTING, INCLUDING OFF,

and you feel your foot getting hot, you think you might be getting a

burn, or you experience any early warning sensations of a burn,

IMMEDIATELY UNPLUG Heating Element from Battery Pack and

IMMEDIATELY REMOVE your foot from FootWarmer. See

CAUTIONS REGARDING BURNS.

USING HEAT SETTINGS

1. Use FootWarmer to maintain comfort and warmth. (Note: Prevent feet

from getting cold. Warming cold feet requires more energy, is less

effective, and is not intended use of FootWarmer.)

2. Before going into cold, set at 1, 2, or 3 to maintain comfort and

warmth.

3. For additional burst of heat, set to “timed setting 4”. “Timed setting 4”

auto-resets to setting 3 after 3 minutes.

4. DO NOT USE “TIMED SETTING 4” or ”CONTINUOUS SETTING 4”

for more than three minutes at a time as it may become too hot and

may result in burns. SEE CAUTIONS REGARDING BURNS.

5. Heat does not thermostatically cycle on and off. Settings 1 and 2

maintain warmth AND save energy.

WHAT TO EXPECT OF HEAT SETTINGS

1. Expect imperceptible heat to maintain comfort and warmth.

2. Do not expect “ﬁreplace toes”.

3. Learn what personally works best over time.

4. Think of your FootWarmer as Thermo Active Insulation (TM). As cold

penetrates through insole, it draws heat off Element rather than toes.

Balanced heat is imperceptible yet maintains comfort and warmth.

Too much heat and feet feel excess heat. Too little heat and feet feel

cold penetrating through.

5. If feet are comfortable yet feel excess heat, turn to lower setting to

minimize perspiration and maximize battery duration.

6. If feet begin to feel cool, turn setting up to maintain comfort and

warmth.

7. If you think FootWarmer is not working, try turning left Battery Pack

off. If left foot becomes colder, FootWarmer is working.

8. Ability to feel heat and maintain comfort and warmth depends upon:

proper installation; type, ﬁt, and dryness of footwear, sock, and insole;

foot callus size; activity levels; weather conditions; and other factors.

9. Expect bottom of toes to feel heat less than ﬁngers and hands.

COMFORT AND WARMTH RANGES

When ﬁrst learning use of FootWarmer, following chart may help in

setting selection. Chart represents approximate ranges for comfort and

warmth maintenance. First determine outside temperature then select

setting based on personal sensitivity to cold. More sensitive select left of

range. Less sensitive select right.

COMFO

FORT A

AND W

WARM

MTH RA

RANGE

UTSID

DE TEM

MPER

RATUR

RES

° C >0 0 -4 -7 -10 -12 -15 -18 -21

Setting F >32 32 25 20 15 10 5 0 -5

1• ••••

2••••••

3••••••

!USING the FOOTWARMER POWER PLUS

THE STRENGTHS OF HOTRONIC"S FOOTWARMER POWER PLUS!

Winter Season 10-11!Page 3

KEEPING FEET WARM!

TIPS ON BATTERY PACK OPERATING TEMPERATURES

1. When going into temperatures below freezing (where Battery Packs

may be exposed), turn Battery Packs minimally to setting ONE as this

protects batteries from freezing and any harm that may occur due to

freezing.

2. Do not operate Battery Packs that have been OFF and in

temperatures below freezing as it may harm batteries and cause

Battery Packs to function improperly or not at all.

TIPS ON USING FOOTWARMER

1. Extremely poor circulation or extremely cold conditions may require

setting 2 or 3 for comfort and warmth. Extra Battery Packs extend all

day comfort and warmth.

2. Do not allow chair lift to hit you! Damage may result to you and your

FootWarmer.

3. Be careful walking down stairs! Battery Packs may catch stair edge

when mounted on back of boots.

4. Place heated insole (fabric surface up) directly underneath socked

foot. Do not place another insole over heated insole.

5. Proper ﬁtting boots help maintain comfort and warmth. Tight boots

and improper ﬁt restrict blood ﬂow and compromise comfort and

warmth.

DRY BOOTS! DRY SOCKS!

1. If boots and socks are wet, expect cold feet.

2. Wet conductive heat loss is 23 times greater than dry heat loss. (W.

L. Gore & Associates, 1994)

3. Feet perspire more than any other part of your body except your head

and hands. Each foot perspires about 1/4 cup of water a day at rest

and one full cup when active. (W. L. Gore & Associates, 1994)

4. Maintain dry boots! Dry after each use! Each additional day of

moisture buildup makes warm feet more difﬁcult. Consider boot dryer

(i.e., Hotronic"s Snapdry Boot & Glove Dryer).

5. Remove inner boots to dry between liner and boot shell.

6. Maintain dry, clean socks! Change midday for afternoon comfort and

warmth.

7. Use single pair of medium weight socks. Select wool blend,

polypropylene®, or thermax® type socks to wick moisture away and

keep feet dry and warm.

8. Do not use thick socks, neoprene socks, or reﬂective sock liners as

these keep heat from toes.

9. Do not use cotton or other moisture absorbing socks.

RECHARGING BATTERY PACKS

•CAUTION - WARRANTY: Use Hotronic"s White Plug Recharger

ONLY for Power Plus m4 and Power Plus m3 Battery Packs. Using

other than Hotronic"s White Plug Recharger voids Warranty.

•CONDITIONING CHARGE: When Battery Pack is new or has not

been used for more than 2 months, it is recommended to charge

Battery Pack for 48 to 72 hours uninterrupted. Conditioning Charge

brings new, unused, or unconditioned Battery Pack to full duration

and temperature potential.

•FULLY CHARGED IN 3 HOURS OR LESS: Hotronic"s White Plug

Recharger detects when Battery Pack is fully charged and

automatically switches to trickle current recharging after

approximately 3 hours or less of full current recharging. Fully

charged, properly conditioned Battery Pack reaches full capacity

potential. Fully charged, unconditioned Battery Pack does NOT reach

full capacity potential. (See Conditioning Charge.)

•RECOMMENDED OVERNIGHT RECHARGING PROCESS:

Hotronic"s Recommended Recharging Process helps maintain

properly conditioned Battery Pack throughout season by recharging

overnight.

•SUMMER AND LONG TERM STORAGE: Recharge Battery Pack as

per instructions for Recommended Overnight Recharging Process,

turn Battery Pack off, and store without Recharger or Heating

Element plugged in. RECOMMENDED BEST STORAGE

TEMPERATURES range from 5°-25°C (40°-80°F).

•ELECTRIC INPUT: Recharger accepts electric input ranging from

100-240VAC, 50-60Hz.

•OCCASIONAL FULL DISCHARGE: While not required of NiMH

batteries, Hotronic recommends an occasional full discharge before

fully recharging to help maintain optimal strength. Use “continuous

setting 4” for quickest discharge. Battery Pack is fully discharged

when Heating Element is no longer warm and all LEDs are off.

RECHARGE WHEN BATTERY PACK IS OFF: Hotronic recommends

recharging when Battery Pack is off. (Battery Pack is off when all LEDs

are off.) However, Battery Pack MAY be recharged at any setting. If

recharging while on setting 1, 2, 3, or 4, DO NOT CHANGE SETTING

DURING RECHARGING as this may cause recharging process to stop.

1. Plug Recharger into wall outlet using correct plug adapter (North

American, European, or other).

a. Recharger performs short self-test with brief red LED followed by

brief green LED and then LED off.

2. Attach each Battery Pack to Recharger.

3. Recharger LED is continuous red when detecting Battery Pack status

and during initial current and full current recharging.

a. If Battery Pack status is not okay or is not compatible, Recharger

LED will blink red within 20 minutes of continuous red.

b. Maximum duration for continuous red is approximately 3 hours at

which time Recharger LED becomes green.

4. Recharger LED is green once Battery Pack is fully charged and

indicates trickle current recharging.

a. One Battery Pack may reach full charge before other.

5. Battery Pack may be removed at any time during recharging process

and may be re-attached to Recharger at any time.

6. Once Recharger LED is green or when Recommended Overnight

Recharging Process is complete:

a. Unplug Battery Pack from Recharger.

b. Unplug Recharger from wall outlet.

7. To maintain maximum charge after recharging, turn Battery Pack off

and store without Recharger or Heating Element plugged in.

WHAT TO EXPECT OF BATTERY PACKS

1. Expect all battery types to lose strength over time.

2. Expect optimal performance of newer Battery Packs.

3. Expect optimal performance with use shortly after recharging.

4. Expect less than optimal performance after recharging as each day,

week, or month passes before use.

5. Expect much less than optimal performance from Battery Packs

stored for 2 months or more. (See Conditioning Charge.)

6. Battery self-discharge rates may range from 1 to 3 percent per day.

7. When Battery Packs are unplugged and left on settings 1, 2, 3, or 4, a

slight increase in discharge results.

8. When unplugging Recharger from wall outlet, also unplug Battery

Packs from Recharger. When not unplugged, damage may occur to

Recharger and a slight increase in Battery Pack discharge may occur

regardless of setting.

!USING the FOOTWARMER POWER PLUS

THE STRENGTHS OF HOTRONIC"S FOOTWARMER POWER PLUS!

Winter Season 10-11!Page 4

KEEPING FEET WARM!

TIPS ON RECHARGING

1. When Recharger green LED is on (trickle current recharging), Battery

Pack may remain on Recharger indeﬁnitely.

2. However, as further protection against possible battery damage,

Hotronic DOES NOT recommend leaving Battery Pack on Recharger

for extended periods of time such as 24 hours (except during

Conditioning Charge), one week, or one month.

3. To conﬁrm wall outlet is NOT controlled by switch, plug in Recharger,

attach Battery Pack, and conﬁrm continuous red LED status.

Recharger"s red LED is on continuously when outlet current is active

and goes off within seconds when outlet is turned off by switch.

4. One or two Battery Packs may be recharged on one Recharger per

above instructions.

5. One Power Plus m4 Battery Pack and one Power Plus m3 Battery

Pack may be recharged simultaneously on same Recharger.

6. Hotel room razor outlets (and other Ground Fault Current Interrupter

outlets) are not recommended.

TIPS ON SUMMER & LONG TERM STORAGE

1. For summer and long term storage, recharge Battery Pack as per

Recommended Overnight Recharging Process instructions, turn

Battery Pack off, and store without Recharger or Heating Element

plugged in.

2. Prior to use after summer and long term storage, perform Battery

Pack Conditioning Charge for 48 to 72 hours uninterrupted.

3. Do not store (or keep overnight) Battery Pack at temperatures above

105°F (40°C) as this will harm batteries.

4. Do not store (or keep overnight) Battery Pack at temperatures at or

below freezing (32°F) (0°C) as it may harm batteries.

5. Do not store (or keep overnight) Recharger at temperatures below

-4°F (-20°C) or above 149°F (65°C) as this may harm Recharger.

OTHER MISCELLANEOUS TIPS

1. All Hotronic FootWarmers within a given model essentially have same

total energy output. Tolerances in micro-controllers, micro-processors,

micro-chips, and batteries result in any setting being slightly warmer

while not lasting as long and vice versa.

2. Battery Packs are water resistant. Should water get inside, hold,

shake, and place upside down until dry. See CAUTIONS

REGARDING BURNS.

3. Heating Elements and Insoles are water resistant. If wet, drying

completely prolongs life.

4. Replacement parts and accessories are available at your Hotronic

Dealer.

5. Sending in Warranty Card helps insure proper coverage.

CAUTIONS REGARDING BURNS

Use of Hotronic FootWarmer may result in burns. The higher the

temperature setting, the higher the risk of burns.

•IT IS USER"S RESPONSIBILITY TO:

•Properly use Hotronic FootWarmer according to Instructions.

•Understand his or her own individual sensitivity to heat and

susceptibility to burns.

•Understand his or her own individual early warning sensations of

a burn.

•Remove his or her feet from source of heat before a burn may

occur.

•SOME EARLY WARNING SENSATIONS OF A BURN are:

•When any area of your feet becomes hot.

•When any area of your feet feels like you are standing on a

small pebble or pointed object and may or may not feel hot.

•The colder one"s feet are, the sharper the sensation may feel.

•Early warning sensations of a burn may differ from person to

person.

•IMMEDIATELY UNPLUG Heating Element from Battery Pack and

IMMEDIATELY REMOVE your foot from FootWarmer if you feel your

foot getting hot, if you think you might be getting a burn, or if you

experience any early warning sensations of a burn. Do not reuse

FootWarmer until you are certain your foot is no longer at risk of being

burned. SEE A PHYSICIAN IMMEDIATELY if you think you have a

burn.

•DO NOT USE heat setting 4 for more than three minutes at a time. It

may become too hot for continuous use and may result in burns.

•CONSULT WITH YOUR PHYSICIAN prior to using FootWarmer if you

might have any physiological condition or are using any medication or

drug which increases skin sensitivity or reduces skin sensation to

heat. Such physiological condition or medication increases risk of

burns. Some physiological conditions or medications which increase

skin sensitivity or reduce skin sensation to heat are calluses on feet,

diabetes, cardiovascular problems, nervous system disorders,

Raynaud"s syndrome, and tetracycline. Other physiological conditions

or medications which increase skin sensitivity or reduce skin

sensation to heat may exist.

•DO NOT WAIT until your feet are cold to turn temperature setting up

because cold feet reduce skin"s sensation to heat and increase risk of

burns.

•DO NOT USE damp or wet socks because presence of moisture

increases heat transfer and may increase risk of burns.

•DO NOT USE Hotronic Heating Element (1) without fabric covering

Heating Element or (2) with Heating Element directly exposed on

surface of insole.

•NOT RECOMMENDED FOR USE by infants, toddlers, children, or

individuals incapable of knowing, understanding, or acting upon early

warning sensations of a burn.

•DO NOT USE while consuming drugs or alcohol because these may

increase skin sensitivity, reduce skin sensation to heat, or reduce

one"s ability to detect early warning sensations of a burn. Such drugs

or alcohol may increase risk of burns.

•DO NOT USE while sleeping.

•WATER AROUND ELECTRICAL CONTACTS may cause Heating

Element to become hot at any setting and MAY RESULT IN BURNS.

•WHEN BATTERY PACK LED stays ON and CANNOT BE TURNED

OFF, water may be around electrical contacts, may cause Heating

Element to become hot at any setting, and MAY RESULT IN BURNS.

If you feel your foot getting hot, think you might be getting a burn, or

experience any early warning sensations of a burn, IMMEDIATELY

UNPLUG Heating Element from Battery Pack and IMMEDIATELY

REMOVE your foot from FootWarmer. Dry out Battery Pack, plug

area, and Heating Element plug. Do not use again until Battery Pack

LED CAN BE TURNED OFF. Consider Battery Pack LED a water

presence indicator. MAINTAIN CAUTION REGARDING BURNS at all

times.

CAUTION: USE HOTRONIC BRAND COMPONENTS ONLY

•DO NOT USE any non-Hotronic branded, look-alike components with

the Hotronic FootWarmer as it MAY BE UNSAFE and MAY RESULT

IN BURNS.

•Connecting any Hotronic battery pack or heating element with a non-

Hotronic battery pack or heating element MAY RESULT IN BURNS at

any setting including “0” (off).

!USING the FOOTWARMER POWER PLUS

THE STRENGTHS OF HOTRONIC"S FOOTWARMER POWER PLUS!

Winter Season 10-11!Page 5

KEEPING FEET WARM!

•Connecting any Hotronic battery pack or recharger with a non-

Hotronic battery pack or recharger MAY BE UNSAFE.

•Contact Hotronic directly if you have any questions regarding this.

CAUTIONS REGARDING RECHARGING

•Recharger is FOR INDOOR USE ONLY.

•Recharger is INTENDED FOR CORRECT ORIENTATION AND

CONNECTION to power outlet at all times.

•Recharger is intended FOR USE ONLY WITH rechargeable Nickel-

metal-hydride (NiMH) batteries as speciﬁed in Operating Instructions.

•DO NOT ATTEMPT TO RECHARGE other types of rechargeable or

non-rechargeable batteries with this Recharger (other than NiMH as

speciﬁed in Operating Instructions) as this may cause personal injury

and damage to Recharger.

•KEEP DRY. TO PREVENT FIRE OR ELECTRICAL SHOCK, do not

expose this unit to rain or moisture.

•DO NOT OPERATE THIS RECHARGER with damaged plug.

•DO NOT REPAIR OR ATTEMPT TO REPAIR Recharger, Battery

Pack, or any other Hotronic branded electrical unit, component part,

or accessory in any situation.

•NOT INTENDED FOR USE by young children or inﬁrm persons

without supervision.

•SUPERVISE YOUNG CHILDREN to ensure they do not play with

Recharger and / or any component part or accessory of FootWarmer.

•WHEN THERE IS AN EMERGENCY CASE, immediately unplug all

Battery Packs from Recharger and unplug Recharger from power

outlet. Contact Hotronic distributor or dealer.

•SOME EMERGENCY CASES are smoke coming from Recharger,

shape change, liquid or material leakage, and unit dropped and

broken. Other emergency cases may exist.

CAUTIONS

•ATTACH BATTERY PACK SECURELY at all times as loss of Battery

Pack is NOT covered under Manufacturer"s Limited Warranty.

•SETTING 4 HAS INCREASED IN TEMPERATURE (as of 7/95) and

MAY RESULT IN BURNS.

•USE OF FOOTWARMER DOES NOT ASSURE that freezing or

frostbite of foot will not occur. As always, use caution and good

judgment when you are in cold temperatures.

•DO NOT CAUSE ELECTRICAL LEADS in plug area of Battery Pack

to touch as there is DANGER OF A SHORT CIRCUIT.

•DO NOT USE FOOTWARMER IF ANY BATTERY PACK

ELECTRICAL LEADS ARE BENT such that any two leads may

contact upon further use. Such contact may cause an increase in

temperature output of Heating Element and MAY RESULT IN BURNS

or such contact may result in a SHORT CIRCUIT.

•DO NOT DAMAGE Battery Pack by use of undue external force.

•DO NOT DISPOSE of Battery Pack by throwing in a ﬁre as there is

DANGER OF EXPLOSION.

•DO NOT PUT ANY METAL OBJECTS into plug area of Battery Pack

as there is DANGER OF A SHORT CIRCUIT.

•DO NOT CAUSE UNDUE OR EXCESSIVE WEAR, TEAR, OR

ABRASION to Power Cord as there is DANGER OF A SHORT

CIRCUIT.

•INSPECT ALL RECHARGER AND HEATING ELEMENT POWER

CORDS for exposed wires prior to plugging into Battery Packs or

electrical outlet as exposed wires may result in a SHORT CIRCUIT.

•DO NOT WRAP RECHARGER OR HEATING ELEMENT POWER

CORDS AROUND BATTERY PACKS while plugged into Battery

Packs as this may result in a SHORT CIRCUIT.

•DO NOT PLUG RECHARGER PLUG INTO BATTERY PACK

BACKWARDS as there is DANGER OF A SHORT CIRCUIT.

•DO NOT CUT Power Cord or Heating Element.

•DO NOT KINK Power Cord or Heating Element.

•BATTERY PACK MAY CONTAIN HAZARDOUS MATERIALS and

may require speciﬁc disposal. Contact Hotronic distributor or dealer or

local recycling agency for proper disposal method.

!USING the FOOTWARMER POWER PLUS

THE STRENGTHS OF HOTRONIC"S FOOTWARMER POWER PLUS!

Winter Season 10-11!Page 6

KEEPING FEET WARM!

Hotronics FootWarmer CUSTOM Power Plus m3 User manual

Brand: Hotronics

Model: FootWarmer CUSTOM Power Plus m3

Type: User manual

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Hotronics FootWarmer CUSTOM Power Plus m3 User manual

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